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中文摘要：
随着产品生产工序的分割、中间产品贸易迅速发展及人们环保意识的增强，国际垂直专业化对我国环境效率的影响备受关注。本文在5l入能源与污染排放约束，测算我国区域环境效率的基础上，通过面板数据回归模型与分位数检验得出：从整体上看，国际垂直专业化与环境效率关联不显著，但在0．25、0．75与0．9分位点，国际垂直专业化与环境效率显著负相关，且两者分位点回归系数变动趋势呈倒u型，这表明国际垂直专业化对环境效率作用为先制约后促进。
英文摘要：
With the development of fragment production, intermediate goods trade and the im- provement of environmental protection consciousness, people pay more attention to the effects of vertical specialization on environmental efficiency. Firstly, the paper calculates environmental effi- ciency of Chings different regions and industries by considering the constraint of energy and pollu- tion emission. Secondly, the paper tests the relationship between vertical specialization and environ- mental efficiency by panel data and quantile regression which results in the following findings： on the whole, vertical specialization does not correlate with environmental efficiency, but at 0.25,0.5 and 0.7 quantile, vertical specialization has a negative correlation with environmental efficiency. Furthermore, the relation cure demonstrates inversed-U shape, which shows that vertical speciali- zation firstly inhibits environmental efficiency and later promotes it.
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